When you are interested in someone or perphaps even dating them and all of a sudden they give your number to one of their freinds. This is the ultimate slap in the face. It's like saying "hey I tried he/she out and didn't like them, but maybe you should try it out or atleast take one for the team.

I can't believe he gave me the hand off. What a tool bag! he could atleast hand me off to someone hot.

When one farts and then proceeds to "hand it off" from the source of the smell to the smellee. The only way to explain such an act is to think of baseball where you "catch" it from behind you and deliver it to the nose of the unsuspecting victim. (This was one of the hazards while growing up a Marine brat!)

1. Joe gave a handoff to Pat.
2. Welcome to the "catch and release program" where we're always giving back!
3. After the Dutch oven, she retaliated with a handoff.

At a party, you enter in a conversation with a friend and either a monet or other cool-from-afar type of person, usually long-winded, a close talker, or other party foul-esque character . When your friend makes a hasty retreat, leaving you alone with the third party to talk your ear off, he or she has been handed off.

N: You totally pulled a hand off with that asshole back there, you dick!

L: Sorry dude, he wouldn't stop talking about his new rice cooker; I thought you'd be better suited to deal with it!